Ask Question
11 August, 16:23

4x+2y=20 and 3x-y=10

Which coordinate solves both equations.

+1
Answers (1)
  1. 11 August, 16:41
    0
    4x + 2y = 20

    3x - y = 10

    Multiplying second equation by 2.

    6x - 2y = 20

    Adding to the first,

    10x = 40

    x = 4

    y = 3x - 10 = 3 (4) - 10 = 2

    Answer: (4, 2)

    Check:

    4 (4) + 2 (2) = 16+4 = 20, good

    3 (4) - 2 = 12 - 2 = 10, good
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “4x+2y=20 and 3x-y=10 Which coordinate solves both equations. ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers